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Pew Research tracks a sharp rise in Kalshi and Polymarket trading volume

  • Pew Research tracks a sharp rise in Kalshi and Polymarket trading volume — Pew Research Center reports sports, politics and cryptocurrency have made up about 91 percent of Kalshi volume and 90 percent of Polymarket volume since July 2024. It notes Polymarket US volume of 1.3 billion dollars in April 2026 compared with 9 billion dollars on Polymarket International. (Pew Research Center)

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